/ Link to the "Previous" slice
  - available local variables
    url           : url to the previous slice
    current_slice : a slice object for the currently displayed slice
    slice_number  : total number of slices
    remote        : data-remote
span.prev
  == link_to_unless current_slice.first?, raw(t 'views.html_slicer.previous'), url, :rel => 'prev', :remote => remote
'